This study proposes a simple technique for propensity score matching for multiple treatment levels under the strong unconfoundedness assumption with the help of the Aitchison distance proposed in the field of compositional data analysis (CODA).
Citation extraction
No citation data for this paper: 1710.08558_source: not a tar archive and not gzip (Not a gzipped file (b'%P')). arXiv holds no LaTeX source for roughly 8% of econ.EM submissions (PDF-only), and those can never enter the citation graph.